Note: Caution: Data is not validated

Usually
sensitive people should consider reducing prolonged or heavy exertion
outdoors.

Active
children and adults, and people with lung disease, such as asthma, should
reduce prolonged or heavy exertion outdoors.

Active
children and adults, and people with lung disease, such as asthma, should
avoid prolonged or heavy exertion outdoors. Everyone else, especially
children, should reduce prolonged or heavy exertion outdoors.

Active
children and adults, and people with lung disease, such as asthma, should
avoid all outdoor exertion. Everyone else, especially children, should
avoid prolonged or heavy exertion outdoors.

Everyone
should avoid all physical activity outdoors.

Particulate

(PM-10 and PM-2.5)

None

Usually
sensitive people should consider reducing prolonged or heavy exertion
outdoors.

People
with heart or lung disease, older adults, and children should reduce
prolonged or heavy exertion.

People
with heart or lung disease, older adults, and children should avoid
prolonged or heavy exertion. Everyone else should reduce prolonged or
heavy exertion.

People
with heart or lung disease, older adults, and children should avoid all
physical activity outdoors. Everyone else should avoid prolonged or heavy
exertion.

People
with heart or lung disease, older adults, and children should remain
indoors and keep activity levels low.. Everyone else should avoid all
physical activity outdoors.

Carbon
Monoxide

None

None

People
with heart disease, such as angina, should reduce heavy exertion and avoid
sources of CO, such as heavy traffic.

People
with heart disease, such as angina, should reduce moderate exertion and
avoid sources of CO, such as heavy traffic.

People
with heart disease, such as angina, should avoid exertion and sources of
CO, such as heavy traffic.

People
with heart disease, such as angina, should avoid exertion and sources of
CO, such as heavy traffic. Everyone else should reduce heavy exertion.

Sulfur
Dioxide

None

None

People
with asthma should consider reducing exertion outdoors.

Children,
asthmatics, and people with heart or lung disease should reduce exertion
outdoors.

Children,
asthmatics, and people with heart or lung disease should avoid outdoor
exertion. Everyone else should reduce exertion outdoors.

Children,
asthmatics, and people with heart or lung disease should remain indoors.
Everyone else should avoid exertion outdoors.